Book/Report FZJ-2018-02380

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Die Verteilung von Th(N$_{3})_{4}$, UO$_{2}$(NO$_{3})_{2}$ und HNO$_{3}$ zwischen wässeriger Phase und organischer Pributylphosphatphase

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1984
Kernforschungsanlage Jülich, Verlag Jülich

Jülich : Kernforschungsanlage Jülich, Verlag, Berichte der Kernforschungsanlage Jülich 1920, 109 p. ()

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Report No.: Juel-1920

Abstract: The distribution of Th(NO$_{3})_{4}$, UO$_{2}$ (NO$_{3})_{2}$ and HNO$_{3}$ between an aqueous phase and an organic phase, consisting of 30 Vol. % tributyl phosphate in dodecane, has been experimentally investigated. About 120 distribution data have been determined in the concentration ranges that can be seen in the THOREX process for reprocessing spent thorium bearing fuel. Based on the experimental data, two computer programs have been developed which make possible interpolations and, to some extent, extrapolations. With model 1, concentrations in the organic phase can be calculated if that in the aqueous phase are known. With model 2, concentrations in the aqueous phase can be calculated vice versa. Besides the description of the calculation models, a large body of calculated data can be found in this report. In a addition, a calculation mode is presented that makes possible the calculation of distribution data for very low thorium concentrations.


Contributing Institute(s):
  1. Publikationen vor 2000 (PRE-2000)
Research Program(s):
  1. 899 - ohne Topic (POF3-899) (POF3-899)

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 Record created 2018-04-12, last modified 2021-01-29